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How can I implement a tree in Python?
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pre-order tree iteration
post-order tree iteration
resolve relative and absolute node paths
walking from one node to an other.
tree rendering (see example above)
node attach/detach hookups
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Automatic exit from bash shell script on error [duplicate]
I've been writing some shell script and I would find it useful if there was the ability to halt the execution of said shell script if any of the commands failed. See below for an example:
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How to suppress Java warnings for specific directories or files such as generated code
... particular warnings in particular elements, but any annotations I add by hand will be lost when the parser generator runs again. Is there a way to configure Eclipse to suppress warnings for a particular file or directory?
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How do I set the offset for ScrollSpy in Bootstrap?
I have a site with the navbar fixed on top and 3 divs underneath in the main content area.
12 Answers
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Deprecated ManagedQuery() issue
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You could replace it with context.getContentResolver().query and LoaderManager (you'll need to use the compatibility package to support devices before API version 11).
However, it looks like you're only using the query one time: you probably don't even need that. Maybe this would work...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...imastel@doctor.upv.es>
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* Thanks to Ismael Ripoll for his suggestions and reviews
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* Copyright (C) 2008, 2007, 2006, 2005, 2004
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* This code is released using a dual license strategy: GPL/LGPL
* You can choose the licence that better fits your requirements.
*
* Released under th...
“int main (vooid)”? How does that work?
I recently had to type in a small C test program and, in the process, I made a spelling mistake in the main function by accidentally using vooid instead of void .
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How can I filter lines on load in Pandas read_csv function?
How can I filter which lines of a CSV to be loaded into memory using pandas? This seems like an option that one should find in read_csv . Am I missing something?
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What is the maximum length of data I can put in a BLOB column in MySQL?
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In other words, BLOB ≈ 64KB, MEDIUMBLOB ≈ 16MB and LONGBLOB ≈ 4GB
– IvanRF
Oct 9 '15 at 16:02
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Selecting/excluding sets of columns in pandas [duplicate]
...passed as argument removed.
Here, the result is used to remove columns B and D from df:
df2 = df[df.columns.difference(['B', 'D'])]
Note that it's a set-based method, so duplicate column names will cause issues, and the column order may be changed.
Advantage over drop: you don't create a cop...